package bag1;

public class keyBoard implements IUSB{
    @Override
    public void openDev() {
        System.out.println("打开键盘");
    }
public void divkeyBoard(){
    System.out.println("键盘输入");
}
    @Override
    public void closeDev() {
        System.out.println("关闭键盘");
    }
}
